HC55121 Overview
Key Features
- Ultra Low Active Power (OHT) < 60mW
- Single/Dual Battery Operation
- Automatic Silent Battery Selection
- Power Management/Shutdown
- Battery Tracking Anti Clipping
- Single 5V Supply with 3V Compatible Logic
- Zero Crossing Ring Control
- Zero Voltage On/Zero Current Off
- Tip/Ring Disconnect
- Pulse Metering Capability